/* ============================================================
   DİKER YAPI — ultra-modern inşaat & iç mimari
   Monokrom mimari sistem: grafit + kırık beyaz + taş aksanı
   (önceki siyah/altın tema kaldırıldı)
   ============================================================ */

:root{
  --ink:#0A0A0B;
  --graphite:#0E0F12;
  --surface-1:#121317;
  --surface-2:#17181D;
  --surface-3:#1E2026;
  --line:#282A31;
  --line-soft:#1C1E23;

  --text-hi:#F3F3F1;
  --text-mid:#A7A9AF;
  --text-lo:#75777E;

  /* aksan: sıcak kireçtaşı — sadece küçük etiket/detaylarda (altın DEĞİL) */
  --accent:#D9D4C8;
  --accent-soft:#ECE8DF;
  --paper:#F3F3F1;              /* birincil buton dolgusu (kırık beyaz) */

  --font-display:'Space Grotesk','Inter',system-ui,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,sans-serif;

  --ease-house:cubic-bezier(0.2,0.8,0.2,1);
  --ease-out-soft:cubic-bezier(0.16,1,0.3,1);
  --dur-fast:.28s;
  --dur-mid:.6s;
  --dur-slow:1.1s;
  --split-dur:.9s;
  --hover-dur:.6s;
  --divider-w:1px;

  --wrap:1240px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  background:var(--ink);
  color:var(--text-hi);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
html.split-lock{overflow:hidden;height:100%;}
body.split-active{overflow:hidden;height:100vh;height:100dvh;position:fixed;inset:0;width:100%;}

img,video{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}

.visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* skip link */
.skip-link{
  position:fixed;top:-60px;left:1rem;z-index:2000;
  background:var(--paper);color:var(--ink);
  padding:.7rem 1.2rem;border-radius:8px;font-weight:600;font-size:.85rem;
  letter-spacing:.04em;transition:top var(--dur-fast) var(--ease-house);
}
.skip-link:focus{top:1rem;outline:2px solid var(--ink);outline-offset:2px;}

.sr-live{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}

/* file:// uyarı bandı */
.file-warn{
  position:fixed;z-index:2100;left:50%;bottom:1.2rem;transform:translateX(-50%);
  max-width:min(92vw,560px);display:flex;align-items:center;gap:.8rem;
  padding:.7rem 1rem .7rem 1.2rem;border-radius:12px;
  background:rgba(18,19,23,.94);border:1px solid var(--line);
  color:var(--text-hi);font-size:.8rem;line-height:1.4;letter-spacing:.01em;
  box-shadow:0 12px 40px rgba(0,0,0,.5);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.file-warn[hidden]{display:none;}
.file-warn strong{color:var(--text-hi);}
.file-warn button{
  flex:0 0 auto;background:none;border:none;color:var(--text-mid);cursor:pointer;
  font-size:1rem;line-height:1;padding:.2rem .3rem;border-radius:6px;
}
.file-warn button:hover{color:var(--text-hi);}

/* ============================================================
   TYPOGRAFİ
   ============================================================ */
.t-h1{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(2.4rem,6vw,5rem);line-height:1.02;letter-spacing:-.02em;
  color:var(--text-hi);margin:0;
}
.t-h2{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.9rem,3.8vw,3.2rem);line-height:1.08;letter-spacing:-.015em;
  color:var(--text-hi);margin:0;
}
.t-h3{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.15rem,1.7vw,1.45rem);line-height:1.2;letter-spacing:-.01em;
  color:var(--text-hi);margin:0;
}
.lead{font-size:clamp(1.02rem,1.4vw,1.22rem);color:var(--text-mid);line-height:1.7;max-width:60ch;}

.eyebrow{
  display:inline-flex;align-items:center;gap:.7em;
  font-family:var(--font-body);
  font-size:.7rem;font-weight:600;letter-spacing:.24em;
  text-transform:uppercase;color:var(--accent);
  margin-bottom:1.2rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:inline-block;opacity:.8;}

/* wordmark lockup */
.brand-lockup{
  font-family:var(--font-display);font-weight:600;
  font-size:1.15rem;letter-spacing:.14em;display:inline-flex;gap:.45em;align-items:baseline;
  text-transform:uppercase;
}
.brand-diker{color:var(--text-hi);font-weight:700;}
.brand-yapi{color:var(--text-mid);font-weight:400;}

/* geometrik logo işareti */
.logo-mark{width:26px;height:26px;flex:0 0 auto;color:var(--text-hi);}

/* butonlar */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.85rem 1.7rem;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-body);font-size:.78rem;letter-spacing:.1em;
  text-transform:uppercase;font-weight:600;cursor:pointer;
  transition:transform var(--dur-fast) var(--ease-house),background var(--dur-fast),color var(--dur-fast),border-color var(--dur-fast),box-shadow var(--dur-fast);
}
.btn--primary{background:var(--paper);color:var(--ink);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.45);}
.btn--ghost{border-color:var(--line);color:var(--text-hi);background:transparent;}
.btn--ghost:hover{border-color:var(--text-hi);transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--paper);outline-offset:3px;}

/* ============================================================
   SPLIT LANDING (etkileşim korundu; sadece görsel modernize)
   ============================================================ */
.split{
  position:relative;display:flex;flex-direction:row;
  width:100%;height:100vh;height:100dvh;
  background:var(--ink);overflow:hidden;
}
.side{
  position:relative;flex:1 1 0;min-width:0;min-height:0;
  overflow:hidden;cursor:pointer;will-change:flex-grow;
  transition:flex-grow var(--hover-dur) var(--ease-house),
             flex-basis var(--split-dur) var(--ease-house),
             filter var(--hover-dur) var(--ease-house);
}
.side__video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center;
  filter:grayscale(.12) brightness(.72) contrast(1.04);
  transform:scale(1.03);
  transition:filter var(--hover-dur) var(--ease-house),transform var(--split-dur) var(--ease-house);
}
.split[data-state^="chosen"] .side.is-chosen .side__video{filter:none;transform:scale(1);}

/* IDLE POSTER — seçim ekranında video yerine keskin 4K still gösterilir.
   Video decode'una bağlı kalmadan tam CSS kontrolüyle premium görünüm. */
.side__poster{
  position:absolute;inset:0;z-index:1;width:100%;height:100%;
  object-fit:cover;object-position:center;
  /* aydınlık, tam renkli ve KESKİN — idle'da ölçekleme yok (yumuşamasın) */
  filter:brightness(.9) contrast(1.06) saturate(1.08);
  transform:none;
  transition:filter var(--hover-dur) var(--ease-house),
             transform var(--split-dur) var(--ease-house),
             opacity var(--split-dur) var(--ease-house);
}
@media(hover:hover){
  .split[data-state="idle"] .side:hover .side__poster{
    filter:grayscale(0) brightness(.96) contrast(1.04) saturate(1.1);
    transform:scale(1.05);
  }
}
/* Bir taraf seçilince poster kaybolur, altındaki video scrub için açığa çıkar */
.split[data-state^="chosen"] .side.is-chosen .side__poster{opacity:0;transform:scale(1.06);}

.side__scrim{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:
    linear-gradient(to top,rgba(10,10,11,.90) 0%,rgba(10,10,11,.55) 22%,rgba(10,10,11,.14) 50%,rgba(10,10,11,.42) 100%),
    radial-gradient(130% 95% at 50% 92%,rgba(10,10,11,.55) 0%,transparent 55%),
    radial-gradient(120% 90% at 50% 55%,transparent 42%,rgba(10,10,11,.5) 100%);
  transition:opacity var(--hover-dur) var(--ease-house),background var(--hover-dur);
}
.split[data-state^="chosen"] .side.is-chosen .side__scrim{opacity:.25;}

.side__caption{
  position:absolute;z-index:3;left:0;right:0;bottom:clamp(2.5rem,7vh,5rem);
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:0 1.5rem;pointer-events:none;
  transition:opacity var(--dur-mid) var(--ease-house),transform var(--dur-mid) var(--ease-house);
}
.side__index{
  font-family:var(--font-body);font-size:.72rem;letter-spacing:.3em;
  color:var(--accent);margin-bottom:.9rem;opacity:.9;
}
.side__label{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.4rem,2.4vw,2.4rem);letter-spacing:-.01em;color:var(--text-hi);
  text-shadow:0 2px 30px rgba(0,0,0,.6);
}
.side__hint{
  margin-top:1rem;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-hi);opacity:1;transform:none;
  padding:.5rem 1.1rem;border:1px solid rgba(255,255,255,.4);border-radius:999px;
  background:rgba(10,10,11,.42);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  text-shadow:0 1px 10px rgba(0,0,0,.55);
  transition:opacity var(--dur-fast),transform var(--dur-fast),border-color var(--dur-fast),color var(--dur-fast);
}
@media(hover:hover){
  .split[data-state="idle"] .side:hover{flex-grow:1.35;}
  .split[data-state="idle"] .side:hover .side__hint{border-color:var(--text-hi);color:var(--text-hi);}
  .split[data-state="idle"] .side:hover ~ .side{flex-grow:.65;}
  .split[data-state="idle"] .side:hover ~ .side .side__scrim,
  .split[data-state="idle"] .side:not(:hover) .side__scrim{
    background:linear-gradient(to top,rgba(10,10,11,.86),rgba(10,10,11,.3));
  }
}
.side:focus-visible{outline:none;}
.side:focus-visible::before{
  content:"";position:absolute;inset:12px;z-index:6;border:2px solid var(--paper);
  border-radius:8px;box-shadow:0 0 0 4px rgba(255,255,255,.18);pointer-events:none;
}
@media(forced-colors:active){.side:focus-visible::before{outline:2px solid;}}

/* idle yönlendirme */
.split__prompt{
  position:absolute;z-index:8;left:50%;top:clamp(1.4rem,5vh,2.4rem);
  transform:translateX(-50%);margin:0;
  font-family:var(--font-body);font-size:.7rem;font-weight:600;
  letter-spacing:.24em;text-transform:uppercase;color:var(--text-hi);
  padding:.55rem 1.3rem;border:1px solid rgba(255,255,255,.3);border-radius:999px;
  background:rgba(10,10,11,.4);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  pointer-events:none;transition:opacity var(--dur-mid) var(--ease-house);
}
.split[data-state^="chosen"] .split__prompt{opacity:0;}

/* DIVIDER — ince beyaz hairline */
.split__divider{
  flex:0 0 var(--divider-w);align-self:stretch;z-index:5;
  background:linear-gradient(to bottom,transparent,rgba(255,255,255,.3) 20%,rgba(255,255,255,.65) 50%,rgba(255,255,255,.3) 80%,transparent);
  box-shadow:0 0 14px rgba(255,255,255,.10);
  transition:flex-basis var(--split-dur) var(--ease-house),opacity var(--split-dur);
}

/* chosen states */
.split[data-state="chosen-left"] .side--left{flex-grow:1;flex-basis:100%;}
.split[data-state="chosen-left"] .side--right{flex-grow:0;flex-basis:0;}
.split[data-state="chosen-right"] .side--right{flex-grow:1;flex-basis:100%;}
.split[data-state="chosen-right"] .side--left{flex-grow:0;flex-basis:0;}
.split[data-state^="chosen"] .split__divider{flex-basis:0;opacity:0;}
.split[data-state^="chosen"] .side:not(.is-chosen) .side__caption{opacity:0;}
.split[data-state^="chosen"] .side.is-chosen{cursor:default;}
.split[data-state^="chosen"] .side.is-chosen .side__caption{opacity:0;transform:translateY(12px);}
.split[data-state^="chosen"] .side:not(.is-chosen){pointer-events:none;visibility:hidden;}

/* BRAND REVEAL — monokrom (altın gilt kaldırıldı) */
.brand-reveal{
  position:absolute;inset:0;z-index:4;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:1.4rem;opacity:0;pointer-events:none;
  background:radial-gradient(90% 80% at 50% 50%,rgba(10,10,11,.28),rgba(10,10,11,.8));
  transition:opacity var(--dur-slow) var(--ease-house);
}
.brand-reveal.is-revealed{opacity:1;}
.brand-reveal__word{display:flex;flex-direction:column;align-items:center;line-height:.96;}
.brand-reveal__line{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(2.5rem,8vw,7rem);letter-spacing:-.02em;display:flex;
}
.brand-reveal__line span{
  display:inline-block;color:var(--text-hi);
  opacity:0;transform:translateY(30px) scale(.96);
  filter:drop-shadow(0 6px 24px rgba(0,0,0,.5));
}
.brand-reveal__line:last-child span{color:var(--text-mid);font-weight:400;}
.brand-reveal.is-revealed .brand-reveal__line span{
  animation:letterRise .8s var(--ease-out-soft) forwards;
  animation-delay:calc(var(--i,0)*55ms);
}
@keyframes letterRise{to{opacity:1;transform:translateY(0) scale(1);}}
.brand-reveal__rule{
  width:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);
}
.brand-reveal.is-revealed .brand-reveal__rule{animation:ruleDraw .9s var(--ease-house) .7s forwards;}
@keyframes ruleDraw{to{width:min(320px,58%);}}
.brand-reveal__kicker{
  font-family:var(--font-body);font-size:.7rem;font-weight:600;
  letter-spacing:.32em;text-transform:uppercase;color:var(--accent);opacity:0;
}
.brand-reveal.is-revealed .brand-reveal__kicker{animation:fadeIn .8s ease 1s forwards;}
@keyframes fadeIn{to{opacity:1;}}

/* split controls */
.split__back{
  position:fixed;z-index:1200;top:clamp(1.2rem,3vh,1.8rem);
  left:clamp(1.2rem,4vw,2.4rem);padding:.6rem 1.2rem;
  background:rgba(18,19,23,.72);border:1px solid var(--line);color:var(--text-hi);
  font-family:var(--font-body);font-size:.7rem;letter-spacing:.14em;font-weight:600;
  border-radius:999px;cursor:pointer;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  opacity:0;pointer-events:none;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--dur-mid) .35s,transform var(--dur-mid) .35s,visibility 0s linear .95s,background var(--dur-fast),border-color var(--dur-fast);
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .split__back{background:rgba(18,19,23,.92);}
}
.split[data-state^="chosen"] .split__back{opacity:1;pointer-events:auto;visibility:visible;transform:none;transition:opacity var(--dur-mid) .35s,transform var(--dur-mid) .35s,visibility 0s,background var(--dur-fast),border-color var(--dur-fast);}
/* İçerik açıldığında (giriş kilidi kalktı) sabit "GERİ" butonu içeriğin üstünde
   kalmasın — yalnızca landing/scrub kilidi aktifken görünür olmalı. */
body:not(.split-active) .split[data-state^="chosen"] .split__back{
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--dur-fast),visibility 0s linear var(--dur-fast);
}
.split__back:hover{border-color:var(--text-hi);background:rgba(18,19,23,.85);}
.split__back:focus-visible{outline:2px solid var(--paper);outline-offset:2px;}
.split__scrollcue:focus-visible{outline:2px solid var(--paper);outline-offset:2px;}

.split__scrollcue{
  position:absolute;z-index:7;left:50%;bottom:1.6rem;transform:translateX(-50%);
  width:24px;height:40px;border:1px solid rgba(255,255,255,.6);border-radius:14px;
  opacity:0;pointer-events:none;visibility:hidden;transition:opacity var(--dur-mid) .6s,visibility 0s linear .6s;
}
.split[data-state^="chosen"] .split__scrollcue{opacity:.8;pointer-events:auto;visibility:visible;transition:opacity var(--dur-mid) .6s,visibility 0s;}
.split__scrollcue span{
  position:absolute;left:50%;top:8px;width:3px;height:8px;border-radius:2px;background:var(--text-hi);
  transform:translateX(-50%);animation:cue 1.6s var(--ease-house) infinite;
}
@keyframes cue{0%{opacity:0;transform:translate(-50%,0);}40%{opacity:1;}100%{opacity:0;transform:translate(-50%,14px);}}

/* video yükleniyor */
.scrub-loading{
  position:absolute;z-index:10;left:50%;top:50%;transform:translate(-50%,-50%);
  display:none;flex-direction:column;align-items:center;gap:1rem;
  color:var(--text-hi);text-align:center;pointer-events:none;
}
.scrub-loading.is-visible{display:flex;}
.scrub-loading__spinner{
  width:42px;height:42px;border-radius:50%;
  border:2px solid rgba(255,255,255,.22);border-top-color:var(--text-hi);
  animation:scrubSpin .8s linear infinite;
}
@keyframes scrubSpin{to{transform:rotate(360deg);}}
.scrub-loading__text{
  font-family:var(--font-body);font-size:.72rem;font-weight:600;
  letter-spacing:.26em;text-transform:uppercase;color:var(--text-hi);
}
.scrub-loading__pct{font-family:var(--font-display);font-size:1.4rem;font-weight:600;color:var(--text-hi);}

/* scrub ipucu + ilerleme */
.scrub-hint{
  position:absolute;z-index:9;left:50%;bottom:clamp(4.5rem,11vh,7rem);transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.9rem;
  opacity:0;pointer-events:none;visibility:hidden;
  transition:opacity var(--dur-mid) var(--ease-house),transform var(--dur-mid) var(--ease-house),visibility 0s linear var(--dur-mid);
}
.split[data-state^="chosen"] .scrub-hint.is-visible{
  opacity:1;visibility:visible;transition:opacity var(--dur-mid) .5s var(--ease-house),transform var(--dur-mid) .5s;
  animation:scrubHintFloat 2.4s var(--ease-house) infinite;
}
.scrub-hint.is-hidden{opacity:0;visibility:hidden;transform:translateX(-50%) translateY(10px);}
@keyframes scrubHintFloat{0%,100%{transform:translateX(-50%) translateY(0);}50%{transform:translateX(-50%) translateY(-6px);}}
.scrub-hint__text{
  font-family:var(--font-body);font-size:.7rem;font-weight:600;
  letter-spacing:.24em;text-transform:uppercase;color:var(--text-hi);
  padding:.5rem 1.2rem;border:1px solid rgba(255,255,255,.32);border-radius:999px;
  background:rgba(10,10,11,.42);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  text-shadow:0 2px 12px rgba(0,0,0,.6);
}
.scrub-hint__mouse{position:relative;width:24px;height:38px;border:2px solid rgba(255,255,255,.7);border-radius:12px;opacity:.9;}
.scrub-hint__wheel{
  position:absolute;left:50%;top:7px;width:3px;height:7px;border-radius:2px;background:var(--text-hi);
  transform:translateX(-50%);animation:scrubWheel 1.6s var(--ease-house) infinite;
}
@keyframes scrubWheel{0%{opacity:0;transform:translate(-50%,0);}40%{opacity:1;}100%{opacity:0;transform:translate(-50%,12px);}}

.scrub-progress{
  position:absolute;z-index:9;left:0;right:0;bottom:0;height:2px;
  background:rgba(255,255,255,.10);
  opacity:0;visibility:hidden;transition:opacity var(--dur-mid) var(--ease-house),visibility 0s linear var(--dur-mid);
}
.split[data-state^="chosen"] .scrub-progress.is-visible{opacity:1;visibility:visible;transition:opacity var(--dur-mid) .5s var(--ease-house);}
.scrub-progress__bar{
  display:block;height:100%;width:0%;
  background:var(--paper);
  transition:width .12s linear;
}

/* scrub anlatısı — editoryal, sola hizalı, akışa (scrub) bağlı canlı hareket.
   Satır maske-wipe ile açılır; alt çizgi bölüm ilerlemesiyle (--lp) dolar;
   blok kaydırdıkça hafifçe süzülür (parallax). */
.scrub-story{
  position:absolute;z-index:3;
  left:clamp(1.4rem,5vw,4rem);
  bottom:clamp(8rem,19vh,11rem);
  width:min(90vw,540px);height:clamp(170px,25vh,230px);
  pointer-events:none;opacity:0;visibility:hidden;
  transition:opacity var(--dur-mid) var(--ease-house),visibility 0s linear var(--dur-mid);
}
/* okunabilirlik: sol-alta feather'lı yumuşak koyulaşma (kutu değil) */
.scrub-story::before{
  content:"";position:absolute;inset:-3rem -9rem -3rem -3rem;z-index:-1;
  background:radial-gradient(120% 110% at 0% 100%,rgba(10,10,11,.62),rgba(10,10,11,.26) 42%,transparent 70%);
}
.split[data-state^="chosen"] .side.is-chosen .scrub-story.is-on{
  opacity:1;visibility:visible;transition:opacity var(--dur-mid) var(--ease-house);
}
.scrub-beat{
  position:absolute;left:0;bottom:0;width:100%;
  transform:translateY(calc((1 - var(--lp,0)) * 14px));  /* akışa bağlı parallax */
}
.scrub-beat.is-active{will-change:transform;}
.scrub-beat__count{
  display:block;font-family:var(--font-display);font-weight:500;
  font-size:.82rem;letter-spacing:.14em;color:var(--text-hi);margin-bottom:1rem;
  opacity:0;transform:translateY(12px);
  transition:opacity .5s var(--ease-out-soft),transform .6s var(--ease-out-soft);
}
.scrub-beat__count i{color:var(--text-lo);font-style:normal;}
.scrub-beat__kicker{
  display:block;font-size:.66rem;font-weight:600;letter-spacing:.3em;
  text-transform:uppercase;color:var(--accent);margin-bottom:.8rem;
  opacity:0;transform:translateY(12px);
  transition:opacity .5s var(--ease-out-soft),transform .6s var(--ease-out-soft);
}
.scrub-beat__line{
  display:block;font-family:var(--font-display);font-weight:500;
  font-size:clamp(1.4rem,3vw,2.4rem);line-height:1.16;letter-spacing:-.015em;
  color:var(--text-hi);text-shadow:0 2px 26px rgba(0,0,0,.6);
  opacity:0;clip-path:inset(0 100% 0 0);
  transition:opacity .55s var(--ease-out-soft),clip-path .85s var(--ease-out-soft);
}
.scrub-beat__track{
  display:block;margin-top:1.3rem;width:min(240px,72%);height:1px;
  background:rgba(255,255,255,.16);overflow:hidden;
  opacity:0;transition:opacity .5s var(--ease-out-soft);
}
.scrub-beat__fill{
  display:block;height:100%;background:var(--accent);
  transform:scaleX(var(--lp,0));transform-origin:left;
}
.scrub-beat.is-active .scrub-beat__count{opacity:1;transform:none;transition-delay:.04s;}
.scrub-beat.is-active .scrub-beat__kicker{opacity:1;transform:none;transition-delay:.1s;}
.scrub-beat.is-active .scrub-beat__line{opacity:1;clip-path:inset(0 0 0 0);transition-delay:.16s;}
.scrub-beat.is-active .scrub-beat__track{opacity:1;transition-delay:.24s;}
@media(max-width:768px){
  .scrub-story{left:1.2rem;bottom:clamp(7rem,16vh,9rem);width:82vw;height:clamp(150px,22vh,190px);}
  .scrub-beat__line{font-size:clamp(1.3rem,6vw,1.8rem);}
}

/* ============================================================
   İÇERİK (scrub sonrası açılır) — tam modern site
   ============================================================ */
#splitContent{opacity:0;transition:opacity .8s var(--ease-house);}
#splitContent.is-revealed{opacity:1;}
#splitContent:focus{outline:none;}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(1.25rem,4vw,3rem);}
.section{padding:clamp(4.5rem,11vh,8rem) 0;position:relative;}
.section--tight{padding:clamp(3rem,7vh,5rem) 0;}
.section-head{max-width:var(--wrap);margin:0 auto clamp(2.5rem,5vh,4rem);}
.section-head .lead{margin-top:1.1rem;}

/* scroll reveal (js varsa gizli başlar) */
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease-out-soft),transform .9s var(--ease-out-soft);}
html.js .reveal.in{opacity:1;transform:none;}

/* ---------- SITE HEADER / NAV ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  border-bottom:1px solid transparent;
  transition:background var(--dur-fast),border-color var(--dur-fast),backdrop-filter var(--dur-fast);
}
.site-header.is-scrolled{
  background:rgba(10,10,11,.72);border-bottom-color:var(--line-soft);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);backdrop-filter:blur(14px) saturate(1.4);
}
.site-header__inner{
  max-width:var(--wrap);margin:0 auto;padding:1rem clamp(1.25rem,4vw,3rem);
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
}
.site-brand{display:inline-flex;align-items:center;gap:.7rem;}
.site-nav{display:flex;align-items:center;gap:2rem;}
.site-nav__links{display:flex;align-items:center;gap:1.8rem;list-style:none;margin:0;padding:0;}
.site-nav__links a{
  font-size:.82rem;letter-spacing:.02em;color:var(--text-mid);font-weight:500;
  position:relative;padding:.2rem 0;transition:color var(--dur-fast);
}
.site-nav__links a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--text-hi);
  transition:width var(--dur-fast) var(--ease-house);
}
.site-nav__links a:hover{color:var(--text-hi);}
.site-nav__links a:hover::after{width:100%;}
.site-nav .btn{padding:.6rem 1.3rem;}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text-hi);transition:transform var(--dur-fast),opacity var(--dur-fast);}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- INTRO / MANIFESTO ---------- */
.intro{border-top:1px solid var(--line-soft);}
.intro__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,5rem);align-items:end;}
.intro__statement{
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(1.7rem,3.4vw,3rem);line-height:1.14;letter-spacing:-.02em;color:var(--text-hi);margin:0;
}
.intro__statement em{color:var(--text-lo);font-style:normal;}
.intro__aside .lead{margin:0 0 1.6rem;}

/* ---------- HİZMETLER (editoryal numaralı liste) ---------- */
.service-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);}
.service-row{
  display:grid;
  grid-template-columns:3.5rem minmax(11rem,15rem) 1fr auto;
  align-items:baseline;gap:clamp(1rem,3vw,3rem);
  padding:clamp(1.5rem,3vw,2.4rem) clamp(.4rem,1.5vw,1.4rem);
  border-bottom:1px solid var(--line);
  position:relative;transition:background var(--dur-mid) var(--ease-house);
}
.service-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform var(--dur-mid) var(--ease-house);
}
.service-row:hover{background:var(--surface-1);}
.service-row:hover::before{transform:scaleY(1);}
.service-row__no{
  font-family:var(--font-display);font-size:.8rem;font-weight:500;letter-spacing:.1em;
  color:var(--accent);
}
.service-row__title{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.25rem,2vw,1.7rem);line-height:1.12;letter-spacing:-.015em;color:var(--text-hi);margin:0;
  transition:transform var(--dur-mid) var(--ease-house);
}
.service-row:hover .service-row__title{transform:translateX(6px);}
.service-row__desc{color:var(--text-mid);font-size:.98rem;line-height:1.6;margin:0;max-width:46ch;}
.service-row__arrow{
  width:26px;height:26px;color:var(--text-lo);align-self:center;flex:0 0 auto;
  transition:color var(--dur-fast),transform var(--dur-mid) var(--ease-house);
}
.service-row:hover .service-row__arrow{color:var(--text-hi);transform:translateX(6px);}

/* ---------- HAKKIMIZDA / KURUCU ---------- */
.about{background:var(--surface-1);border-block:1px solid var(--line-soft);}
.about-grid{
  display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(2rem,5vw,5rem);
  align-items:start;margin-bottom:clamp(2.6rem,6vh,4.5rem);
}
.about-intro h2{margin-top:.4rem;}
.about-body .lead{margin:0 0 2rem;}
.founder-quote{margin:0;border-left:2px solid var(--accent);padding-left:1.5rem;}
.founder-quote p{
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(1.15rem,1.8vw,1.5rem);line-height:1.34;letter-spacing:-.01em;
  color:var(--text-hi);margin:0 0 1rem;
}
.founder-quote cite{font-style:normal;font-size:.85rem;letter-spacing:.05em;color:var(--text-mid);}
.founder-quote cite span{color:var(--text-hi);font-weight:600;}
.values{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.5rem,3vw,2.5rem);
}
.value{border-top:1px solid var(--line);padding-top:1.4rem;}
.value__no{
  font-family:var(--font-display);font-size:.78rem;font-weight:500;letter-spacing:.12em;
  color:var(--accent);display:block;margin-bottom:1rem;
}
.value h3{font-family:var(--font-display);font-weight:600;font-size:1.08rem;letter-spacing:-.01em;color:var(--text-hi);margin:0 0 .6rem;}
.value p{color:var(--text-mid);font-size:.9rem;line-height:1.6;margin:0;}

/* ---------- SÜREÇ (bağlantılı zaman çizgisi) ---------- */
.timeline{
  list-style:none;margin:0;padding:0;position:relative;
  display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.5rem,3vw,2.5rem);
}
.timeline::before{content:"";position:absolute;top:5px;left:0;right:0;height:1px;background:var(--line);}
.tl-step{position:relative;padding-top:2.6rem;}
.tl-step::before{
  content:"";position:absolute;top:1px;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 5px var(--ink);
}
.tl-step__no{
  font-family:var(--font-display);font-weight:600;font-size:2.2rem;line-height:1;
  color:var(--text-lo);letter-spacing:-.02em;display:block;margin-bottom:1rem;
}
.tl-step__title{margin:0 0 .6rem;}
.tl-step__desc{color:var(--text-mid);font-size:.92rem;line-height:1.6;margin:0;max-width:34ch;}

/* ---------- İLETİŞİM ---------- */
.contact{background:var(--surface-1);}
.contact-band{
  position:relative;text-align:center;
  padding:clamp(3rem,8vh,6rem) clamp(1.4rem,4vw,3rem);
  border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--surface-2);width:100%;
}
.contact-band::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 100% at 50% 0%,rgba(255,255,255,.05),transparent 62%);pointer-events:none;}
.contact-lockup{font-size:1.4rem;margin-bottom:1.6rem;position:relative;justify-content:center;display:inline-flex;}
.contact-band .eyebrow{justify-content:center;}
.contact-band .t-h2{margin-bottom:1.4rem;}
.contact-note{max-width:58ch;margin:0 auto 2.6rem;color:var(--text-mid);font-size:1rem;line-height:1.6;}
.contact-band em{color:var(--text-mid);font-style:normal;}
.contact-actions{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin-bottom:2.8rem;}
.contact-list{
  list-style:none;margin:0 auto;padding:2rem 0 0;
  display:flex;flex-wrap:wrap;justify-content:center;gap:2.4rem;
  border-top:1px solid var(--line);max-width:760px;
}
.contact-list li{display:flex;flex-direction:column;gap:.45rem;min-width:140px;}
.contact-list__label{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);}
.contact-list__val{color:var(--text-hi);font-size:1rem;letter-spacing:.01em;transition:color var(--dur-fast);}
a.contact-list__val:hover{color:var(--text-mid);}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--ink);border-top:1px solid var(--line-soft);padding:clamp(3rem,6vh,5rem) 0 2rem;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:clamp(2rem,4vw,4rem);margin-bottom:3rem;}
.footer-brand .brand-lockup{margin-bottom:1rem;}
.footer-brand p{color:var(--text-mid);font-size:.9rem;max-width:38ch;margin:0;}
.footer-brand .footer-founder{margin:.9rem 0 0;color:var(--text-lo);font-size:.8rem;letter-spacing:.05em;}
.footer-col h3{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text-lo);margin:0 0 1.1rem;font-weight:600;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.7rem;}
.footer-col a,.footer-col span{color:var(--text-mid);font-size:.92rem;transition:color var(--dur-fast);}
.footer-col a:hover{color:var(--text-hi);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;
  padding-top:1.8rem;border-top:1px solid var(--line-soft);
  color:var(--text-lo);font-size:.8rem;letter-spacing:.02em;
}

/* ============================================================
   YÜKLEME / GİRİŞ EKRANI (preloader)
   Split landing'den ÖNCE gösterilir; yüklenince yumuşakça kaybolur.
   ============================================================ */
.preloader{
  position:fixed;inset:0;z-index:3000;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);
  transition:opacity .8s var(--ease-house),visibility 0s linear .8s;
}
.preloader.is-done{opacity:0;visibility:hidden;pointer-events:none;}
.preloader__inner{
  display:flex;flex-direction:column;align-items:center;gap:1.3rem;
  padding:2rem;text-align:center;
}
.preloader__mark{
  width:62px;height:62px;color:var(--text-hi);
  opacity:0;transform:translateY(10px) scale(.96);
  animation:preIn .8s var(--ease-out-soft) .05s forwards;
  filter:drop-shadow(0 6px 22px rgba(0,0,0,.5));
}
.preloader__word{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.4rem,4vw,1.9rem);letter-spacing:.2em;text-transform:uppercase;
  opacity:0;transform:translateY(10px);animation:preIn .8s var(--ease-out-soft) .18s forwards;
}
.preloader__word .brand-diker{color:var(--text-hi);font-weight:700;}
.preloader__word .brand-yapi{color:var(--text-mid);font-weight:400;}
.preloader__kicker{
  font-family:var(--font-body);font-size:.66rem;font-weight:600;
  letter-spacing:.34em;text-transform:uppercase;color:var(--accent);
  opacity:0;animation:preIn .8s var(--ease-out-soft) .3s forwards;
}
.preloader__track{
  width:min(260px,60vw);height:2px;margin-top:.4rem;border-radius:2px;
  background:rgba(255,255,255,.14);overflow:hidden;
  opacity:0;animation:preIn .8s var(--ease-out-soft) .42s forwards;
}
.preloader__bar{
  display:block;height:100%;width:0;background:var(--paper);
  transition:width .25s var(--ease-house);
}
.preloader__pct{
  font-family:var(--font-display);font-size:.85rem;font-weight:500;
  letter-spacing:.1em;color:var(--text-mid);
  opacity:0;animation:preIn .8s var(--ease-out-soft) .42s forwards;
}
@keyframes preIn{to{opacity:1;transform:none;}}
@media(prefers-reduced-motion:reduce){
  .preloader__mark,.preloader__word,.preloader__kicker,.preloader__track,.preloader__pct{
    animation:none!important;opacity:1!important;transform:none!important;
  }
}

/* ============================================================
   NO-JS FALLBACK
   ============================================================ */
/* JS yoksa preloader kalıcı olarak ekranı kaplamasın (kapatacak JS yok) */
.no-js .preloader{display:none;}
.no-js body.split-active{overflow:auto;height:auto;}
.no-js #splitContent{opacity:1;}
.no-js .split{height:70vh;}
.no-js .split__prompt{opacity:1;}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1024px){
  .intro__grid{grid-template-columns:1fr;gap:2rem;}
  .about-grid{grid-template-columns:1fr;gap:2rem;}
  .values{grid-template-columns:repeat(2,1fr);}
  /* zaman çizgisi: yatay bağlantıdan dikey raya */
  .timeline{grid-template-columns:1fr;gap:0;}
  .timeline::before{top:0;bottom:0;left:4px;right:auto;width:1px;height:auto;}
  .tl-step{padding:0 0 clamp(1.8rem,4vh,2.6rem) 2rem;}
  .tl-step:last-child{padding-bottom:0;}
  .tl-step::before{top:4px;left:0;}
  .tl-step__no{font-size:1.8rem;margin-bottom:.6rem;}
  .tl-step__desc{max-width:52ch;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
  .split{flex-direction:column;height:100vh;height:100dvh;}
  .split__divider{align-self:stretch;height:var(--divider-w);flex:0 0 var(--divider-w);width:100%;
    background:linear-gradient(to right,transparent,rgba(255,255,255,.3) 20%,rgba(255,255,255,.65) 50%,rgba(255,255,255,.3) 80%,transparent);}
  .split[data-state="chosen-left"] .side--left,
  .split[data-state="chosen-right"] .side--right{flex-basis:100%;}
  .split[data-state="chosen-left"] .side--right,
  .split[data-state="chosen-right"] .side--left{flex-basis:0;}
  .brand-reveal__line{font-size:clamp(1.8rem,9vw,3.2rem);}
  .side__label{font-size:1.3rem;}

  .site-nav__links,.site-nav .btn{display:none;}
  .nav-toggle{display:flex;}
  .site-nav.is-open .site-nav__links{
    display:flex;position:fixed;inset:76px 0 auto 0;flex-direction:column;gap:0;
    background:rgba(10,10,11,.97);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);padding:.5rem 0;
  }
  .site-nav.is-open .site-nav__links li{width:100%;}
  .site-nav.is-open .site-nav__links a{display:block;padding:1rem clamp(1.25rem,4vw,3rem);font-size:1rem;border-bottom:1px solid var(--line-soft);}
  body.nav-open{overflow:hidden;}

  .values{grid-template-columns:1fr;}
  /* hizmet satırları: mobilde no+başlık üstte, açıklama altta, ok gizli */
  .service-row{grid-template-columns:2.2rem 1fr;gap:.3rem 1rem;padding:1.4rem .2rem;}
  .service-row__no{grid-column:1;grid-row:1;}
  .service-row__title{grid-column:2;grid-row:1;}
  .service-row__desc{grid-column:2;grid-row:2;margin-top:.5rem;}
  .service-row__arrow{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:2.4rem;}
  .contact-list{gap:1.6rem;}
}

/* Reduced motion: split scrub bilinçli olarak korunuyor; yalnızca dekoratif
   reveal geçişlerini sadeleştir. */
@media(prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1;transform:none;transition:none;}
  /* Dekoratif zoom/scale kapalı; işlevsel opacity crossfade (scrub için video
     açığa çıkmalı) korunur. */
  .side__poster,.side__video{transform:none!important;transition:opacity var(--split-dur) var(--ease-house)!important;}
  .split[data-state="idle"] .side:hover .side__poster{transform:none!important;filter:grayscale(0) brightness(.96) contrast(1.04) saturate(1.1);}
  .split[data-state^="chosen"] .side.is-chosen .side__poster{transform:none!important;}
  /* scrub anlatısı: wipe/parallax kapalı → sade fade (işlevsel dolgu korunur) */
  .scrub-beat{transform:none!important;}
  .scrub-beat__line{clip-path:none!important;}
  .scrub-beat__count,.scrub-beat__kicker,.scrub-beat__line,.scrub-beat__track{transition:opacity .3s ease!important;transform:none!important;}
}